Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Evonik AEROSIL R974 Hydrophobic Fumed Silica

Evonik AEROSIL R974 is a high-end hydrophobic fumed silica imported from Germany, professionally modified with D4 (octamethylcyclotetrasiloxane). With high BET surface area, it is designed for multi-system fluidity optimization and performance reinforcement, featuring excellent lipophilicity and thixotropy, suitable for daily chemicals, pharmaceuticals, coatings and other fields

Features Of Evonik AEROSIL R974 Hydrophobic Fumed Silica

  1. High-end hydrophobic modification - Treated with D4, stable hydrophobicity, suitable for water-resistant product systems, improving water and moisture resistance of the system

  2. Efficient fluidity optimization - Significantly improves fluidity of powder and liquid systems, anti-caking, easy to add, enhancing processing efficiency

  3. Excellent thixotropic thickening - As an efficient thickener, precisely regulates system thixotropy, with good anti-sagging and shape retention

  4. Strong lipophilicity enhancement - Improves system lipophilicity, suitable for paste daily chemicals, oil-based coatings and other systems, enhancing compatibility

  5. Multifunctional reinforcement - As an RTV silicone rubber reinforcing agent, improves product mechanical strength, and adapts to multi-industry scenario needs

Typical Applications Of Evonik AEROSIL R974 Hydrophobic Fumed Silica

  1. Daily chemical field - Cosmetics and toothpaste, improving lipophilicity and thixotropy, optimizing product texture and user experience

  2. Pharmaceutical field - As a functional additive, improving powder fluidity, enhancing preparation stability and processability

  3. Coatings and inks - Controlling thixotropy and anti-sagging, improving system stability and construction uniformity

  4. Adhesives and sealants - Optimizing fluidity and thixotropy, enhancing bonding strength and water resistance

  5. Plastics and silicone rubber - Reinforcing RTV silicone rubber, improving mechanical properties, and improving plastic processing fluidity

Specifications Of Evonik AEROSIL R974 Hydrophobic Fumed Silica

BrandEvonik
Product SeriesAEROSIL Hydrophobic Fumed Silica
Product TypeHydrophobic Fumed Silica
Surface Treatment AgentOctamethylcyclotetrasiloxane (D4)
BET Surface Area170±20 m²/g
Average Primary Particle Size12 nm
Compacted Density (Approx.)50 g/L
Loss on Drying (105℃, 2h)≤0.5 wt%
Loss on Ignition (1000℃, 2h)≤2 wt%


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